<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        
        .box {
            width: 100px;
            height: 100px;
            background-color: pink;
            margin: 100px auto;
            animation: move 5s ease infinite 0s;
        }
        
        @keyframes move {
            0% {
                transform: translate(0);
            }
            25% {
                /* transform: translateX(500px) translateY(0); */
                transform: translate(500px, 0);
            }
            50% {
                /* transform: translate(500px) translateY(500px); */
                transform: translate(500px, 500px);
            }
            75% {
                /* transform: translateX(0) translateY(500px); */
                transform: translate(0, 500px);
            }
            100% {
                transform: translate(0);
            }
        }
    </style>
</head>

<body>
    <div class="box"></div>
</body>

</html>